One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,7)(3,8,4,6)(10,13)(11,15)(17,18)(19,24)(20,21)(22,23)(25,26,28,30)(27,31,32,29)(1,3,5,4)(2,6,7,8)(10,13)(14,16)(17,18,22,23)(19,24,20,21)(27,32)(29,31)(2,7)(6,8)(9,10)(11,14)(12,13)(15,16)(17,19,22,20)(18,21,23,24)(25,26)(27,29)(28,30)(31,32)(1,4,5,3)(2,8,7,6)(9,10)(11,14)(12,13)(15,16)(17,20,22,19)(18,21,23,24)(25,27)(26,29)(28,32)(30,31)(1,2)(3,6)(4,8)(5,7)(9,11)(10,14)(12,15)(13,16)(17,21)(18,19)(20,23)(22,24)(25,26)(27,29)(28,30)(31,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.